<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    *{margin:0;
        
        padding:0;
       box-sizing: border-box;
       list-style: none;
       }
       a{display:block;}*
         #header{
           background: red;
           height: 1.3333rem;
           /* padding: .1333rem; */
           text-align: center;
           overflow: hidden;
       }
   
       #header .left {
           margin-top: .1333rem;
           text-align: center;
           font-size: .5333rem;
           color: #fff;
           float: left;
           text-decoration: none;
       }
       #header h4{
           display: inline-block;
           text-align: center;
           font-size: .5333rem;
   
           font-weight: bolder;
           color: #fff;
           margin-top: .2667rem;
           margin-bottom: .2667rem;
       }
        #header .right {
            float: right;
            padding: 0.1867rem;
       }
       #header .right a{
           color: #666;
           text-decoration: none;
       }
       #header .right a img{
           height: .9067rem;
           vertical-align: center;
       }
       
</style>
<body>
    <header id="header">
        <a href="#" class="left">
            〈
        </a>
        <h4>
        优惠券
        </h4>
         <div class="right">
            <a href="#"><img src="../images/header_app.png" alt="" width="34"></a>    
         </div>
    </header>
</body>
</html>